#include <hd_led.h>
#include <hd_oled.h>
#include <pd_i2c_hd.h>
#include <hd_oled_protocol_i2c.h>
#include <pd_i2c_sim.h>
#include <pd_spi_io.h>
#include <stddef.h>
#include <pd_spi_sim.h>
#include <hd_oled_protocol_spi.h>
#include <pd_spi_hd.h>
#include <hd_flash.h>
#include "main.h"

#define OLED_PROTOCOL       2   // Select a protocol. SPI, 1; I2C, 2;
#define OLED_PROTOCOL_IMPL  2   // Select a implement. simulate, 1; hardware, 2;

uint8_t times = 0;
static OLED *oled;

void oled_instance();

extern void SystemClock_Config(void);

int main(void) {
    SystemClock_Config();

    NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_2);

    oled_instance();

    oled->showString(oled, 0, 0, "BKP RW");
    oled->refresh(oled);

    /* RCC_APB1ENR1: Bit 28 PWREN: Power interface clock enable */
    LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_PWR);
    /* PWR_CR1: Bit 8 DBP: Disable backup domain write protection */
    LL_PWR_EnableBkUpAccess();
    /* TAMP_BKPxR(x=0,1,2,3) */
    LL_RTC_BAK_SetRegister(RTC, LL_RTC_BKP_DR0, 0xA1B2D3C4);
    uint32_t data = LL_RTC_BAK_GetRegister(RTC, LL_RTC_BKP_DR0);
    oled->printf(oled, 0, 16, "%08X", data);
    oled->refresh(oled);

    while (1) {
    }

}

void oled_instance() {
#if OLED_PROTOCOL == 1
    GPIO *sckGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_5); // Clock, SPIx_SCK
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_7); // MOSI,  SPIx_MOSI
    GPIO *resGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_3); // Reset, General IO, the chip reset pin is better
    GPIO *dcGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_1);  // Data or Command, General IO
    GPIO *csGPIO = GPIOBuilder.build(GPIOA, LL_GPIO_PIN_2);  // Chip Select(Slave Select), General IO
    SPIGPIO *spiGPIO = SPIGPIOBuilder.build(&csGPIO, 1, sckGPIO, sdaGPIO, NULL);

#if OLED_PROTOCOL_IMPL == 1
    SPISimulate *spiObj = SPISimulateBuilder.build(spiGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    SPIHardware *spiObj = SPIHardwareBuilder.build(SPI1, spiGPIO);
#endif
    SPI *spi1 = (SPI *) spiObj;
    spi1->init(spi1);
    OLEDProtocolSPI *oledProtocolObj = OLEDProtocolSPIBuilder.build(spi1, resGPIO, dcGPIO, csGPIO);

#elif OLED_PROTOCOL == 2
    GPIO *sckGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_10);  // I2Cx_SCL
    GPIO *sdaGPIO = GPIOBuilder.build(GPIOB, LL_GPIO_PIN_11);  // I2Cx_SDA
#if OLED_PROTOCOL_IMPL == 1
    I2CSimulate *i2CObj = I2CSimulateBuilder.build(sckGPIO, sdaGPIO);
#elif OLED_PROTOCOL_IMPL == 2
    I2CHardware *i2CObj = I2CHardwareBuilder.build(I2C2, sckGPIO, sdaGPIO);
#endif
    I2C *i2c = (I2C *) i2CObj;
    i2c->init(i2c);
    OLEDProtocolI2C *oledProtocolObj = OLEDProtocolI2CBuilder.build(i2c);
#endif

    StorageFlash *storageFlash = StorageFlashBuilder.build();
    OLEDFont *oledFont = OLEDFontBuilder.build((Storage *) storageFlash, ENCODING_UTF8);
    oled = OLEDBuilder.build((OLEDProtocol *) oledProtocolObj, oledFont);
    oled->init(oled);
}
